diff --git a/src/gbm/backends/dri/gbm_driint.h b/src/gbm/backends/dri/gbm_driint.h
index 1644facd9bd..26376efb1ed 100644
--- a/src/gbm/backends/dri/gbm_driint.h
+++ b/src/gbm/backends/dri/gbm_driint.h
@@ -28,6 +28,8 @@
 #ifndef _GBM_DRI_INTERNAL_H_
 #define _GBM_DRI_INTERNAL_H_
 
+#include <xf86drm.h>
+#include <string.h>
 #include <sys/mman.h>
 #include "gbmint.h"
 #include "c11/threads.h"